//定制请求的实例

//导入axios  npm install axios
import axios from 'axios';
import {ElMessage} from 'element-plus'
//定义一个变量,记录公共的前缀  ,  baseURL
const baseURL = '/api';
const instance = axios.create({baseURL})
import {userTokenStore} from "@/stores/token.js";

//添加请求拦截器
instance.interceptors.request.use(
    (config) => {
        //请求成功的回调
        //添加token
        const tokenStore = userTokenStore();
        if (tokenStore.token) {
            config.headers.Authorization = tokenStore.token
        }
        return config;
    },
    (err) => {
        //请求错误的回调
        Promise.reject(err)
    }
)
/*import {useRouter} from 'vue-router'
const router = useRouter();*/
import router from '@/router'
//添加响应拦截器
instance.interceptors.response.use(
    result => {
        if (result.data.code === 0) {
            return result.data;
        } else {
            //alert(result.data.msg ? result.data.msg : '服务异常')
            ElMessage.error(result.data.msg ? result.data.msg : '服务异常')
            //异步操作的状态转换为失败
            return Promise.reject(result.data)
        }
    },
    err => {
        //如果响应状态码时401，代表未登录，给出对应的提示，并跳转到登录页
        if (err.response.status === 401) {
            ElMessage.error('请先登录！');
            router.push('/login')
        } else {
            ElMessage.error('服务异常');
        }
        return Promise.reject(err);//异步的状态转化成失败的状态
    }
)

export default instance;